MLA
Valentine, and Sons. Tobacco Growing : Men and Children Standing in a Covered Tobacco Field, in Gadsden County, Florida [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/781jh9w10j-cor.
APA, 6th edition
V., & S. Tobacco growing : men and children standing in a covered tobacco field, in Gadsden County, Florida [hand colored] (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w10j-cor.
Chicago
Valentine, and Sons. “Tobacco Growing : Men and Children Standing in a Covered Tobacco Field, in Gadsden County, Florida [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w10j-cor.